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MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please show your solutions and if possible, kindly take a picture on it so that I can see the answer clearly. Thanks!
1. A researcher wants to study the effects of social media on Grade 11 students in Manila Mathematics High School. He wishes to use the simple random sampling technique in choosing the members of his sample. If there are 1000 Grade 11 students in the school, how many students should there be in his sample? Discuss the steps he must take if he wishes to use lottery method. 2. In a group of 250 students, how will you select a sample containing 71 students by using the systematic sampling technique? Find the sampling interval k. 3. You want to interview 200 students in your school to determine their opinion on the new school uniform. How are you going to choose your samnple by using stratified sampling if there are 1,200 students in grade seven; 1,100 in Grade 8; 1,050 in grade 9; 940 in Grade 10; 900 in Grade 11, and 810 in Grade 12?
Transcribed Image Text:1. A researcher wants to study the effects of social media on Grade 11 students in Manila Mathematics High School. He wishes to use the simple random sampling technique in choosing the members of his sample. If there are 1000 Grade 11 students in the school, how many students should there be in his sample? Discuss the steps he must take if he wishes to use lottery method. 2. In a group of 250 students, how will you select a sample containing 71 students by using the systematic sampling technique? Find the sampling interval k. 3. You want to interview 200 students in your school to determine their opinion on the new school uniform. How are you going to choose your samnple by using stratified sampling if there are 1,200 students in grade seven; 1,100 in Grade 8; 1,050 in grade 9; 940 in Grade 10; 900 in Grade 11, and 810 in Grade 12?
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